1,1,1,2-Tetrachloroethane
Riverwalk Subdivision
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
15
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 3 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 1 ppb
The EWG Health Guideline of 1 ppb for 1,1,1,2-tetrachloroethane was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2015-06-11 | AC95636 | ND |
2015-06-11 | AC95634 | ND |
2016-12-13 | AD61904 | ND |
2016-12-13 | AD61918 | ND |
2017-06-07 | AD86775 | ND |
2017-08-09 | AD92556 | ND |
2017-10-11 | AE00406 | ND |
2017-10-11 | AE00400 | ND |
2017-10-11 | AE00398 | ND |
2018-01-22 | AE09581 | ND |
2018-01-22 | AE09589 | ND |
2018-01-22 | AE09591 | ND |
2019-11-25 | AE90394 | ND |
2019-11-25 | AE90408 | ND |
2019-11-25 | AE90392 | ND |